/*******************************************************************************
 * 文件名: BaseController.java
 * 版　权: 基础接口
 * 创建人: Dean Huang <huangjing@tydic.com>
 * 日　期: Jul 19, 2017 
 * 描　述: 文件描述
 * 版　本: 1.0
 *******************************************************************************/

package com.z1.core.web.controller;

import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;

public class BaseController {

	protected final Logger logger = Logger.getLogger(this.getClass());
	
	@Autowired    
	private HttpServletRequest request;
	
	public static String getIPAddress(HttpServletRequest request) {
	    String ip = null;

	    //X-Forwarded-For：Squid 服务代理
	    String ipAddresses = request.getHeader("X-Forwarded-For");
	if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
	        //Proxy-Client-IP：apache 服务代理
	        ipAddresses = request.getHeader("Proxy-Client-IP");
	    }
	if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
	        //WL-Proxy-Client-IP：weblogic 服务代理
	        ipAddresses = request.getHeader("WL-Proxy-Client-IP");
	    }
	if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
	        //HTTP_CLIENT_IP：有些代理服务器
	        ipAddresses = request.getHeader("HTTP_CLIENT_IP");
	    }
	if (ipAddresses == null || ipAddresses.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
	        //X-Real-IP：nginx服务代理
	        ipAddresses = request.getHeader("X-Real-IP");
	    }

	    //有些网络通过多层代理，那么获取到的ip就会有多个，一般都是通过逗号（,）分割开来，并且第一个ip为客户端的真实IP
	    if (ipAddresses != null && ipAddresses.length() != 0) {
	        ip = ipAddresses.split(",")[0];
	    }

	    //还是不能获取到，最后再通过request.getRemoteAddr();获取
	    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ipAddresses)) {
	        ip = request.getRemoteAddr();
	    }
	    
	    return ip.equals("0:0:0:0:0:0:0:1")?"127.0.0.1":ip;
	}
	
	public HttpServletRequest getRequest() {
		return request;
	}
	public void setRequest(HttpServletRequest request) {
		this.request = request;
	}

}
